SHANGHAI, May 12 (SMM) – SHFE 1507 copper contract prices vacillated between RMB 45,600-45,830/mt after opening at RMB 45,690/mt Monday night, and ended the session down RMB 80/mt at RMB 45,700/mt. Positions declined 996 and trading volumes were less than 100,000 lots.

The July-delivery copper moved around RMB 45,700/mt Tuesday morning, but began rising in the afternoon to touch RMB 45,930/mt. The prices closed at RMB 45,830/mt, up RMB 50/mt. Trading volumes declined 85,276 lots, and positions dropped 4,022.